Did this issue start happening after an update/upgrade? Was there a prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.19 kernel[0]. If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'. Once testing of the upstream kernel is complete, please mark this bug as "Confirmed". Thanks in advance. [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.19 ** Also affects: linux (Ubuntu) Importance: Undecided Status: New ** Changed in: linux (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1799998 Title: 20% of volume is like 0% Status in alsa-driver package in Ubuntu: New Status in linux package in Ubuntu: Incomplete Bug description: There is no sound on my laptop when volume is set to 20% or less. Also, when I set it to 100%, its output is lower than on Windows. The problem occurs when using a headphone as well. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: alsa-base 1.0.25+dfsg-0ubuntu5 ProcVersionSignature: Ubuntu 4.15.0-36.39-generic 4.15.18 Uname: Linux 4.15.0-36-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.4 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/pcmC0D0p: roinujnosde 1600 F...m pulseaudio /dev/snd/controlC0: roinujnosde 1600 F.... pulseaudio CurrentDesktop: ubuntu:GNOME Date: Thu Oct 25 13:33:21 2018 InstallationDate: Installed on 2018-10-09 (15 days ago) InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725) PackageArchitecture: all SourcePackage: alsa-driver Symptom: audio Symptom_Card: Áudio interno - HDA Intel PCH Symptom_Jack: Speaker, Internal Symptom_PulseAudioLog: out 25 08:30:58 edson-ideapad dbus-daemon[782]: [system] Activating via systemd: service name='org.freedesktop.RealtimeKit1' unit='rtkit-daemon.service' requested by ':1.27' (uid=121 pid=1007 comm="/usr/bin/pulseaudio --daemonize=no " label="unconfined") Symptom_Type: Volume slider, or mixer problems Title: [80YH, Realtek Generic, Speaker, Internal] volume slider problem UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 02/24/2018 dmi.bios.vendor: LENOVO dmi.bios.version: 4WCN39WW dmi.board.asset.tag: NO Asset Tag dmi.board.name: Cairo 5A dmi.board.vendor: LENOVO dmi.board.version: SDK0J40679 WIN dmi.chassis.asset.tag: NO Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Lenovo ideapad 320-15IKB dmi.modalias: dmi:bvnLENOVO:bvr4WCN39WW:bd02/24/2018:svnLENOVO:pn80YH:pvrLenovoideapad320-15IKB:rvnLENOVO:rnCairo5A:rvrSDK0J40679WIN:cvnLENOVO:ct10:cvrLenovoideapad320-15IKB: dmi.product.family: IDEAPAD dmi.product.name: 80YH dmi.product.version: Lenovo ideapad 320-15IKB dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1799998/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp